115
FNCA52 TJSJ 070730
FWFSJU
FIRE WEATHER PLANNING FORECAST FOR PUERTO RICO
NATIONAL WEATHER SERVICE SAN JUAN PR
330 AM AST WED OCT 7 2026
DISCUSSION
NO FIRE DANGER IS EXPECTED TODAY.
PRZ014-072000-
SOUTHEAST COASTAL PLAINS-
330 AM AST WED OCT 7 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 60 80 50
TEMP (24H TREND) 89 (-2) 74 (-2) 91
RH % (24H TREND) 53 (-6) 91 (+4) 54
WIND 20FT/EARLY(MPH) E 14 E 10 E 13
WIND 20FT/LATE(MPH) SE 13 E 9 SE 14
MIXING HGT(FT-AGL/MSL)4340 4990
TRANSPORT WND (MPH) SE 13 E 14
VENT RATE (KT-FT) 47740 59880
DISPERSION 5 5
DSI 6 4 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ015-072000-
SOUTHERN HILLS-
330 AM AST WED OCT 7 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 60 60 60
TEMP (24H TREND) 87 (0) 71 (-2) 89
RH % (24H TREND) 65 (+1) 97 (+4) 63
WIND 20FT/EARLY(MPH) SE 12 E 9 E 11
WIND 20FT/LATE(MPH) SE 12 E 9 SE 11
MIXING HGT(FT-AGL/MSL)4710 5420
TRANSPORT WND (MPH) SE 13 E 13
VENT RATE (KT-FT) 51810 59620
DISPERSION 5 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ016-072000-
NORTH COASTAL PLAINS-
330 AM AST WED OCT 7 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 80 30 60
TEMP (24H TREND) 91 (+1) 73 (-3) 91
RH % (24H TREND) 61 (-4) 95 (+3) 62
WIND 20FT/EARLY(MPH) E 12 SE 10 E 12
WIND 20FT/LATE(MPH) E 13 SE 8 E 13
MIXING HGT(FT-AGL/MSL)5000 5020
TRANSPORT WND (MPH) SE 10 SE 10
VENT RATE (KT-FT) 45000 45180
DISPERSION 5 5
DSI 6 4 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ017-072000-
NORTHERN HILLS-
330 AM AST WED OCT 7 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 100 30 80
TEMP (24H TREND) 89 (0) 71 (-2) 90
RH % (24H TREND) 64 (0) 96 (+2) 64
WIND 20FT/EARLY(MPH) E 11 SE 9 E 10
WIND 20FT/LATE(MPH) SE 12 SE 5 E 11
MIXING HGT(FT-AGL/MSL)4760 5670
TRANSPORT WND (MPH) SE 9 SE 8
VENT RATE (KT-FT) 38080 39690
DISPERSION 5 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ018-072000-
WEST COAST-
330 AM AST WED OCT 7 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 70 50 70
TEMP (24H TREND) 91 (-1) 74 (-1) 92
RH % (24H TREND) 62 (-1) 94 (+2) 62
WIND 20FT/EARLY(MPH) SE 16 SE 12 E 11
WIND 20FT/LATE(MPH) SE 16 E 10 E 12
MIXING HGT(FT-AGL/MSL)4420 4830
TRANSPORT WND (MPH) SE 15 SE 10
VENT RATE (KT-FT) 57460 43470
DISPERSION 5 5
DSI 6 5 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ019-072000-
EASTERN INTERIOR-
330 AM AST WED OCT 7 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 60 70 60
TEMP (24H TREND) 88 (0) 72 (-3) 90
RH % (24H TREND) 63 (0) 97 (+3) 61
WIND 20FT/EARLY(MPH) SE 11 SE 10 SE 11
WIND 20FT/LATE(MPH) SE 12 SE 10 SE 12
MIXING HGT(FT-AGL/MSL)5260 5710
TRANSPORT WND (MPH) SE 13 SE 13
VENT RATE (KT-FT) 57860 62810
DISPERSION 5 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ022-072000-
LUQUILLO MOUNTAIN RANGE-
330 AM AST WED OCT 7 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 60 80 60
TEMP (24H TREND) 85 (+2) 70 (-3) 86
RH % (24H TREND) 64 (-4) 99 (+2) 64
WIND 20FT/EARLY(MPH) SE 10 SE 8 SE 10
WIND 20FT/LATE(MPH) SE 10 SE 8 E 11
MIXING HGT(FT-AGL/MSL)4550 3780
TRANSPORT WND (MPH) SE 14 E 14
VENT RATE (KT-FT) 54600 45360
DISPERSION 5 5
DSI 6 4 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ023-072000-
CENTRAL MOUNTAIN RANGE-
330 AM AST WED OCT 7 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 80 50 80
TEMP (24H TREND) 85 (+1) 69 (-2) 87
RH % (24H TREND) 67 (-1) 97 (+2) 67
WIND 20FT/EARLY(MPH) SE 11 SE 6 SE 8
WIND 20FT/LATE(MPH) SE 11 SE 5 SE 8
MIXING HGT(FT-AGL/MSL)4890 6090
TRANSPORT WND (MPH) SE 12 SE 9
VENT RATE (KT-FT) 48900 48720
DISPERSION 5 5
DSI 6 2 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ024-072000-
CAYEY MOUNTAIN RANGE-
330 AM AST WED OCT 7 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 70 80 60
TEMP (24H TREND) 84 (0) 71 (-1) 86
RH % (24H TREND) 68 (+3) 99 (+2) 65
WIND 20FT/EARLY(MPH) SE 10 SE 6 E 10
WIND 20FT/LATE(MPH) SE 10 E 6 E 10
MIXING HGT(FT-AGL/MSL)4710 4960
TRANSPORT WND (MPH) SE 14 E 14
VENT RATE (KT-FT) 56520 59520
DISPERSION 5 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ025-072000-
VIEQUES-
330 AM AST WED OCT 7 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 70 60 60
TEMP (24H TREND) 90 (+1) 77 (-1) 90
RH % (24H TREND) 58 (-3) 89 (+1) 58
WIND 20FT/EARLY(MPH) SE 12 E 11 E 13
WIND 20FT/LATE(MPH) SE 11 E 12 E 13
MIXING HGT(FT-AGL/MSL)3580 3450
TRANSPORT WND (MPH) SE 15 E 15
VENT RATE (KT-FT) 46540 44850
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ026-072000-
CULEBRA-
330 AM AST WED OCT 7 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 70 60 60
TEMP (24H TREND) 91 (+2) 79 (-1) 91
RH % (24H TREND) 57 (-7) 87 (+2) 59
WIND 20FT/EARLY(MPH) SE 13 E 12 E 13
WIND 20FT/LATE(MPH) SE 11 E 13 E 13
MIXING HGT(FT-AGL/MSL)3780 3360
TRANSPORT WND (MPH) SE 15 E 17
VENT RATE (KT-FT) 49140 50400
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ027-072000-
SOUTHWEST COASTAL PLAINS AND MONA ISLAND-
330 AM AST WED OCT 7 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 60 70 50
TEMP (24H TREND) 92 (+1) 75 (-2) 93
RH % (24H TREND) 51 (-8) 90 (+3) 52
WIND 20FT/EARLY(MPH) E 20 E 16 E 16
WIND 20FT/LATE(MPH) SE 20 E 16 SE 17
MIXING HGT(FT-AGL/MSL)4210 4570
TRANSPORT WND (MPH) SE 16 E 16
VENT RATE (KT-FT) 58940 63980
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
VIZ001-072000-
SAINT THOMAS AND SAINT JOHN-
330 AM AST WED OCT 7 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 60 50 60
TEMP (24H TREND) 88 (+1) 77 (-3) 88
RH % (24H TREND) 63 (-4) 89 (+4) 63
WIND 20FT/EARLY(MPH) SE 13 E 13 E 14
WIND 20FT/LATE(MPH) SE 12 E 13 E 14
MIXING HGT(FT-AGL/MSL)3500 3510
TRANSPORT WND (MPH) SE 14 E 17
VENT RATE (KT-FT) 42000 52650
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
VIZ002-072000-
ST CROIX-
330 AM AST WED OCT 7 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 60 40 60
TEMP (24H TREND) 90 (+1) 78 (-1) 91
RH % (24H TREND) 63 (-4) 91 (+2) 63
WIND 20FT/EARLY(MPH) SE 13 E 12 E 14
WIND 20FT/LATE(MPH) E 11 E 13 E 14
MIXING HGT(FT-AGL/MSL)4350 3990
TRANSPORT WND (MPH) SE 14 E 16
VENT RATE (KT-FT) 52200 55860
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
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